Desktop cupboard



FIG. 1 is a front, right side and top perspective view of a desktop cupboard, with one of the side doors shown in an opened position, the opposite door not shown being a mirror image of that shown;

FIG. 2 is a front view thereof, with both of the side doors shown in an opened position;

FIG. 3 is a rear view of the desktop cupboard, with both doors shown in a closed position;

FIG. 4 is a top plan view of FIG. 3;

FIG. 5 is a right side view of FIG. 3; the left side view being a mirror image; and,

FIG. 6 is a bottom plan view of FIG. 3. 

The ornamental design for a desktop cupboard, as shown and described. 